Multi-Arm Catheter Anchor Delivery for Precise Myocardial Implantation
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Solution Overview
Problem
Existing catheter-based delivery systems for biocompatible materials lack precision and control, particularly for implanting ventricular anchors in the myocardium, often causing trauma and inefficiency.
Innovation Solution
An apparatus with an elongated body and multiple steering arms that can be selectively expanded or collapsed, allowing precise deployment of biocompatible materials, such as ventricular anchors, using a needle and control mechanisms for controlled delivery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional catheter-based delivery systems are used to deliver biocompatible materials into tissues, then the procedure can be performed minimally invasively, but the delivery lacks precision and control, causing trauma and inefficiency
Solution Approach 1:
The delivery system is segmented into multiple independent arms (first supporting arm, second supporting arm, and plurality of steering arms) that can be selectively positioned and controlled. Each arm can independently deliver biocompatible materials to different locations, allowing precise targeting while minimizing unnecessary tissue interaction and trauma.
Solution Approach 2:
The arms are designed to be selectively movable between extended and retracted positions relative to the longitudinal axis of the body. This dynamic configuration allows the arms to be extended only when needed for material delivery, providing precise control over the delivery process and reducing trauma to surrounding tissues.
2Manufacturing precision
If traditional catheter-based delivery systems are used, then the apparatus structure can be simple, but the delivery control and accuracy are insufficient
Solution Approach 1:
The complex delivery task is divided into multiple independent arms, each capable of precise positioning and material delivery. This segmentation allows each component to be optimized for its specific function while collectively achieving high implantation accuracy across multiple target locations.
Solution Approach 2:
The arms are arranged in a three-dimensional configuration around the longitudinal axis of the body, with the plurality of steering arms positioned between the first and second supporting arms. This spatial arrangement enables precise delivery to multiple locations in different directions and planes, significantly improving implantation accuracy.
3Measurement precision
If multiple arms are added to improve delivery precision and control, then the implantation accuracy improves, but the device complexity increases
Solution Approach 1:
Each arm in the system serves multiple functions: providing structural support, guiding biocompatible materials to target locations, and enabling selective positioning. This multi-functionality reduces the need for additional specialized components, thereby limiting the increase in overall device complexity while maintaining high delivery precision.
Data Source
AI summary
An apparatus and methods for the delivery of biocompatible materials such as anchors. The apparatus comprises an elongated body having a proximal end and an opposing distal end, a supporting arm extending outwardly from the distal end of the body, and a plurality of arms each extending outwardly from the distal end of the body. The plurality of arms may each define an arm lumen therewithin dimensioned to receive the biocompatible material. The apparatus comprises means for selectively moving each one of the plurality of arms relative to the longitudinal axis of the supporting arm between an expanded configuration and a collapsed configuration, and means for selectively deploying the biocompatible materials from within one or more of the arm lumens into a tissue of a subject.